/*========================== begin_copyright_notice ============================

Copyright (C) 2020-2021 Intel Corporation

SPDX-License-Identifier: MIT

============================= end_copyright_notice ===========================*/

#pragma once

#include "Compiler/CodeGenPublic.h"
#include "Compiler/MetaDataApi/MetaDataApi.h"
#include "Compiler/MetaDataUtilsWrapper.h"

#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"

namespace IGC {
// Checks if function can be unmased and transforms the attributes of
// function definition and each call site
class TransformUnmaskedFunctionsPass final : public llvm::FunctionPass {
public:
  static char ID;

  TransformUnmaskedFunctionsPass();
  ~TransformUnmaskedFunctionsPass() {}

  virtual llvm::StringRef getPassName() const override { return "TransformUnmaskedFunctionsPass"; }

  virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
    AU.setPreservesCFG();
    AU.addRequired<IGC::MetaDataUtilsWrapper>();
    AU.addRequired<IGC::CodeGenContextWrapper>();
  }

  virtual bool runOnFunction(llvm::Function &F) override;

private:
  ModuleMetaData *MMD;
};

// Inlines functions marked as unmasked correclty modifying all related metadata.
class InlineUnmaskedFunctionsPass final : public llvm::ModulePass {
public:
  static char ID;

  InlineUnmaskedFunctionsPass();
  ~InlineUnmaskedFunctionsPass() {}

  virtual llvm::StringRef getPassName() const override { return "InlineUnmaskedFunctionsPass"; }

  virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
    AU.addRequired<IGC::MetaDataUtilsWrapper>();
    AU.addRequired<IGC::CodeGenContextWrapper>();
  }

  virtual bool runOnModule(llvm::Module &M) override;

private:
  ModuleMetaData *MMD;
};
}; // namespace IGC
